equationsspacing
I would like to ask you why we have uneven vertical skips between the first two and last two vectors, coming from the source:
\documentclass{article}
\begin{document}
\[(a,b,c,d,e,f,g,h)\]
\[(a,b,c,d,e,f,g,h)\]
\[(a,b,c,d,e,f,g,h)\]
\end{document}
If I use more than 3 consecutive displaymath lines the same phenomenon happens: the vertical skip between the first two is considerably larger than the space between any further two lines. Any workarounds? I am using MikTex 2.9 with TeXnicCenter.
You should put the image in a vertical version of \rlap so that officially it doesn't take any vertical space. You can do this like this:
\documentclass{article}
\usepackage{graphicx}
\textwidth=5cm
\begin{document}
\setlength{\parindent}{0pt}
A\\
B\hspace{4cm}\hbox to 0pt{\vbox to 0pt{\vss\rule{5cm}{2cm}}\hss}\\
D
\end{document}
(Here \rule is a demo replacement of the \includegraphics)
This also makes the image officially 0pt wide and you can position it using the value of \hspace.
However, you could control the position even more exact if you put both the text and the image into a picture environment like e.g. tikzpicture.
One possibility would be to redefine the proof anvironment as defined in amsthm.sty (the definition uses \topsep6\p@\@plus6\p@\relax, so you could make some changes there). Another approach would be to use the front-end thmtools to define a new theorem-like structure behaving like the standard proof environment, but using the spaceabove key to control the vertical space above it. The following example illustrates this second approach and shows the different spacing for the new prf environment and the standard proof environment:
\documentclass{article}
\usepackage{amsthm}
\usepackage{thmtools}
\declaretheorem{theorem}
\declaretheoremstyle[%
spaceabove=-6pt,%
spacebelow=6pt,%
headfont=\normalfont\itshape,%
postheadspace=1em,%
qed=\qedsymbol%
]{mystyle}
\declaretheorem[name={Proof},style=mystyle,unnumbered,
]{prf}
\begin{document}
\begin{theorem}
A really important result.
\end{theorem}
\begin{prf}
And its proof with less space above.
\end{prf}
\begin{theorem}
A really important result.
\end{theorem}
\begin{proof}
And its proof with too much space above.
\end{proof}
\end{document}
Best Answer
Never use consecutive math environments. The correct output can be obtained by
The amsmath package has a bunch of environments for proper math typesetting, consult its documentation; you should have on your system the file
amsldoc.pdfthat contains it.